Fixed sight aperture



FIG. 1 is a perspective view of a fixed sight aperture in accordance with the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of portions of the fixed aperture sight is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a fixed sight aperture, as shown and described. 